Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Question and Answer: Biotin for hair loss? Does it matter?. That video is uploaded by William Gaunitz Trichologist - Hair Loss Expert at 2020-03-11T06:00:02-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [Carjupq8HSU]